/* Learn — écrans enseignant intégrés à l'app (paquets, élèves).
   Règles limitées à .teach (la vue #view et le contenu des dialogues enseignant) pour ne pas toucher l'app élève. */
:root{--danger:var(--again);--warn:var(--hard);--ok:var(--good)}
#view.teach{max-width:1060px}
.teach-m{display:none}
/* Barre latérale : arbre des paquets et sous-paquets sous « Paquets » (la section défile si elle est trop longue) */
#teachNav{flex:0 1 auto;min-height:0;overflow:auto;margin:0 -4px;padding:0 4px}
#tnTree .nav-item{gap:4px;padding-top:5px;padding-bottom:5px;font-size:13.5px}
/* Différences avec les classes homonymes de l'app */
.teach .chip{font-weight:500;color:var(--ink);font-variant-numeric:normal}
.teach .stats-row{margin-top:0}
.teach .progress{max-width:none;width:auto}

/* Boutons */
.teach .btn{border:0;border-radius:10px;padding:9px 15px;font-weight:600;background:var(--surface-2);color:var(--ink);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.teach .btn:hover{filter:brightness(.97)}
.teach .btn.primary{background:var(--accent);color:var(--accent-ink)}
.teach .btn.danger{background:var(--danger);color:#fff}
.teach .btn.ghost{background:transparent;border:1px solid var(--line)}
.teach .btn.del{color:var(--danger)}
.teach .btn.small{padding:6px 11px;font-size:13px}
.teach .btn:disabled{opacity:.45;cursor:default}
.teach .muted{color:var(--ink-3)}
.teach .pub{width:7px;height:7px;border-radius:50%;background:var(--ink-3);flex:none;opacity:.5}
.teach .pub.on{background:var(--ok);opacity:1}

/* En-têtes de vue */
.teach .crumbs{display:flex;gap:6px;align-items:center;color:var(--ink-3);font-size:13px;margin-bottom:6px;flex-wrap:wrap}
.teach .crumbs button{border:0;background:none;padding:0;color:var(--ink-3)}
.teach .crumbs button:hover{color:var(--ink);text-decoration:underline}
.teach .vhead{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.teach .vhead .grow{flex:1;min-width:260px}
.teach h1.vt{font-size:30px;line-height:1.2;letter-spacing:-.02em;margin:0 0 6px}
.teach h1.vt.edit{cursor:text;border-radius:8px;margin-left:-6px;padding:0 6px}
.teach h1.vt.edit:hover{background:var(--hover)}
.teach .vsub{color:var(--ink-2);margin:0;display:flex;gap:18px;flex-wrap:wrap;font-size:14px}
.teach .vsub b{color:var(--ink);font-variant-numeric:tabular-nums}
.teach .actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.teach .sec{font-size:13px;font-weight:600;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;margin:32px 0 12px}
/* Tuiles paquets */
.teach .grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.teach .ptile{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);padding:16px;text-align:left;display:flex;flex-direction:column;gap:6px;min-height:140px;transition:box-shadow .15s,transform .15s}
.teach .ptile:hover{box-shadow:var(--shadow);transform:translateY(-1px)}
.teach .ptile.draft{border-style:dashed;border-color:var(--hard)}
.teach .pill.draft{background:color-mix(in srgb,var(--hard) 14%,transparent);color:var(--hard)}
.teach .ptile .t{font-weight:600;font-size:16px;line-height:1.3}
.teach .ptile .t .up{font-weight:500;color:var(--ink-3)}
.teach .ptile .m{color:var(--ink-3);font-size:13px}
.teach .ptile .d{color:var(--ink-2);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.teach .ptile .f{margin-top:auto;display:flex;align-items:center;gap:8px}
.teach .pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:2px 9px;border-radius:99px;background:var(--surface-2);color:var(--ink-2)}
.teach .pill.ok{background:var(--accent-soft);color:var(--accent)}
.teach .pill .pub{opacity:1}
.teach .addtile{border:1.5px dashed var(--line);background:transparent;align-items:center;justify-content:center;color:var(--ink-2);font-weight:600;gap:8px}
.teach .addtile:hover{border-color:var(--accent);color:var(--accent);box-shadow:none}
.teach .addtile.over{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.teach .addtile small{font-weight:400;color:var(--ink-3);font-size:12.5px;text-align:center}
/* Page paquet */
.teach .toggle{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:6px 12px 6px 8px;font-size:14px;font-weight:600}
.teach .switch{position:relative;display:inline-block;width:38px;height:22px;flex:none}
.teach .switch input{opacity:0;width:0;height:0}
.teach .switch span{position:absolute;inset:0;background:var(--line);border-radius:99px;transition:.15s;cursor:pointer}
.teach .switch span::before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.teach .switch input:checked+span{background:var(--ok)}
.teach .switch input:checked+span::before{transform:translateX(16px)}
.teach .chips{display:flex;gap:8px;flex-wrap:wrap}
.teach .chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:4px 12px;font-size:13.5px;display:inline-flex;gap:6px;align-items:center}
.teach .chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.teach .chip b{font-weight:600;color:var(--ink-3)} .teach .chip.on b{color:inherit;opacity:.7}
.teach .toolbar{display:flex;gap:10px;align-items:center;margin:22px 0 14px}
.teach .search{flex:1;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:0 12px}
.teach .search:focus-within{outline:2px solid var(--accent);outline-offset:-1px;border-color:transparent}
.teach .search input{flex:1;border:0;background:none;font:inherit;color:var(--ink);padding:9px 0;outline:0}
.teach .search svg{color:var(--ink-3)}
.teach .cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.teach .ctile{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);padding:14px 14px 12px;text-align:left;display:flex;flex-direction:column;gap:8px;min-height:128px;transition:box-shadow .15s}
.teach .ctile:hover{box-shadow:var(--shadow)}
.teach .ctile .q{font-size:14.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.teach .ctile .a{font-size:13px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;border-top:1px dashed var(--line);padding-top:8px;overflow-wrap:anywhere}
.teach .ctile .f{margin-top:auto;font-size:12px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:4px 6px;align-items:center}
.teach .ctile .f svg{width:13px;height:13px}
.teach .ctile .kind{font-weight:600;color:var(--ink-2);background:var(--surface-2);border-radius:6px;padding:1px 7px;white-space:nowrap}
.teach .ctile.hid{border:1px dashed var(--hard);background:color-mix(in srgb,var(--hard) 9%,var(--surface))}
.teach .ctile.hid .q,.teach .ctile.hid .a{opacity:.7}
.teach .ctile .hidtag{font-weight:600;color:var(--hard)}
.teach .ctile .dk{margin-left:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* Sélection de cartes */
.teach .ctile{position:relative}
.teach .ctile .selbox{position:absolute;z-index:1;top:8px;right:8px;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink-3);background:var(--surface);opacity:0;transition:opacity .12s;display:grid;place-items:center}
.teach .ctile:hover .selbox,.teach .cgrid.selecting .selbox,.teach .ctile:focus-visible .selbox{opacity:1}
@media (hover:none){.teach .ctile .selbox{opacity:1}}
.teach .ctile .q{padding-right:22px}
.teach .ctile.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}
.teach .ctile.on .selbox{background:var(--accent);border-color:var(--accent)}
.teach .ctile.on .selbox::after{content:"";width:5px;height:10px;border:solid var(--accent-ink);border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg)}
.teach .selbar{position:sticky;top:10px;z-index:4;margin:0 0 14px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.teach .selbar[hidden]{display:none}
.teach .selbar .n{font-size:14px}
.teach .selbar .sp{flex:1}
@media (max-width:860px){.teach .selbar{top:calc(env(safe-area-inset-top) + 62px)}}
.teach .more-row{text-align:center;margin-top:18px}
.teach .loading{padding:60px;text-align:center;color:var(--ink-3)}
/* Groupes */
.teach .codebox{display:inline-flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:8px 8px 8px 16px}
.teach .codebox .code{font:600 22px/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.18em}
.teach .codebox small{display:block;font-size:12px;color:var(--ink-3);margin-bottom:4px}
.teach .gchips{display:flex;gap:8px;flex-wrap:wrap}
.teach .gchip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 12px 5px 8px;font-size:13.5px;display:inline-flex;gap:7px;align-items:center;font-weight:500}
.teach .gchip .ck{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--line);display:grid;place-items:center;flex:none}
.teach .gchip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.teach .gchip.on .ck{background:var(--accent);border-color:var(--accent)}
.teach .gchip.on .ck::after{content:"";width:6px;height:3px;border:2px solid var(--accent-ink);border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.teach .gchip.add{border-style:dashed;color:var(--ink-2);padding-left:12px}
.teach .pill.warn{background:rgba(183,121,31,.12);color:var(--warn)}
.teach .note{font-size:13px;color:var(--ink-3);margin:8px 0 0}
.teach .note.warn{color:var(--warn)}
.teach .picklist{max-height:320px;overflow:auto;border:1px solid var(--line-2);border-radius:10px;margin-top:10px}
.teach .picklist label{display:flex;align-items:center;gap:10px;padding:9px 12px;border-top:1px solid var(--line-2);cursor:pointer;font-size:14px}
.teach .picklist label:first-child{border-top:0}
.teach .picklist label:hover{background:var(--hover)}
.teach .picklist small{color:var(--ink-3);display:block;font-size:12px}
.teach .groups-cell{display:flex;gap:4px;flex-wrap:wrap}
.teach .gtag{font-size:12px;background:var(--surface-2);border-radius:6px;padding:1px 7px;color:var(--ink-2);white-space:nowrap}
/* Élèves */
.teach .panel{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);overflow-x:auto}
.teach table{width:100%;border-collapse:collapse}
.teach th{text-align:left;font-size:11.5px;font-weight:600;color:var(--ink-3);text-transform:uppercase;letter-spacing:.04em;padding:12px 14px;border-bottom:1px solid var(--line-2);white-space:nowrap;background:var(--bg)}
.teach td{padding:12px 14px;white-space:nowrap;border-bottom:1px solid var(--line-2);vertical-align:middle}
.teach tr:last-child td{border-bottom:0}
.teach tbody tr:hover{background:var(--hover)}
.teach td.num,.teach th.num{text-align:right;font-variant-numeric:tabular-nums}
.teach .who{display:flex;align-items:center;gap:10px;min-width:0}
.teach .who div{min-width:0;white-space:normal}
.teach .who b{display:block}
.teach .who small{display:block;color:var(--ink-3);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.teach .meter{height:5px;background:var(--surface-2);border-radius:99px;overflow:hidden;width:64px;display:inline-block;vertical-align:middle;margin-left:8px}
.teach .meter div{height:100%;background:var(--ok)}
.teach .act{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;background:var(--line)}
.teach .act.hot{background:var(--ok)} .teach .act.warm{background:var(--warn)}
.teach .row-act{text-align:right;width:44px;white-space:nowrap}
.teach .row-act .btn+.btn,.teach .row-act .btn+.icon-btn{margin-left:6px}
.teach .ask-grp:first-child .sec{margin-top:0}
.teach .stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:22px}
.teach .mini{background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);padding:14px 16px}
.teach .mini b{display:block;font-size:22px;font-variant-numeric:tabular-nums}
.teach .mini span{font-size:13px;color:var(--ink-2)}
.teach .empty{padding:60px 20px;text-align:center;color:var(--ink-2)}
.teach .empty h2{color:var(--ink);margin:0 0 6px;font-size:19px}
.teach .empty p{margin:0 auto 18px;max-width:420px}

/* Formulaires */
.teach form.stack{display:flex;flex-direction:column;gap:14px}
.teach form.stack label{display:flex;flex-direction:column;gap:6px;font-size:13.5px;font-weight:600;color:var(--ink-2)}
.teach input[type=email],.teach input[type=password],.teach input[type=text]{font:inherit;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:400}
.teach input[type=email]:focus,.teach input[type=password]:focus,.teach input[type=text]:focus{outline:2px solid var(--accent);border-color:transparent}
.teach .err{color:var(--danger);font-size:14px;margin:0}
.teach .err:empty{display:none}
.teach .row{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

/* Dialogues */
.teach .summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}
.teach .summary div{background:var(--surface-2);border-radius:10px;padding:10px 12px}
.teach .summary b{display:block;font-size:20px;font-variant-numeric:tabular-nums}
.teach .summary span{font-size:12px;color:var(--ink-2)}
.teach .decklist{max-height:140px;overflow:auto;font-size:13px;color:var(--ink-2);background:var(--bg);border-radius:10px;padding:8px 12px;margin:0 0 12px}
.teach textarea{font:inherit;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-weight:400;resize:vertical;min-height:64px}
.teach textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.teach .cardform .seg{align-self:flex-start}
.teach .cardform .stack{display:flex;flex-direction:column;gap:14px}
.teach .cardform [hidden],.teach [hidden]{display:none!important}
.teach .card-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.teach .card-head h3{flex:1;min-width:0;margin:0}
.teach .lbl-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.teach .check{display:flex!important;flex-direction:row!important;gap:10px;align-items:center;font-size:14px;font-weight:500!important;color:var(--ink)!important}
.teach .progress{height:6px;background:var(--surface-2);border-radius:99px;overflow:hidden;margin:16px 0 8px}
.teach .progress div{height:100%;width:0;background:var(--accent);transition:width .2s}
.teach .menu-list{display:flex;flex-direction:column}
.teach .menu-list button{background:none;border:0;text-align:left;padding:12px 6px;border-top:1px solid var(--line-2);display:flex;gap:12px;align-items:center}
.teach .menu-list button:first-child{border-top:0}
.teach .menu-list button:hover{background:var(--hover)}
.teach .menu-list button svg{width:19px;height:19px;color:var(--ink-2);flex-shrink:0}
.teach .menu-list button.danger{color:var(--danger)} .teach .menu-list button.danger svg{color:var(--danger)}
.teach .pv{border:1px solid var(--line-2);border-radius:12px;overflow:hidden}
.teach .pv-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);margin-top:12px}
.teach .pv-meta b{color:var(--ink)}

/* Responsive */
@media (max-width:1180px){ .teach .hide-md{display:none} }
@media (max-width:860px){
  .teach-m{display:contents}
  .teach th{white-space:nowrap}
  .teach .hide-sm{display:none}
  .teach .stats-row{grid-template-columns:1fr 1fr}
  .teach td{white-space:normal;padding:10px}
  .teach th{padding:10px}
  .teach .meter,.teach .hide-xs{display:none}
  .teach .cgrid{grid-template-columns:1fr 1fr}
}

/* Paquets attribués à un élève (tableau) */
.teach .who .groups-cell{margin-top:4px}
.teach .gtag.none{opacity:.6}

/* Tableau de bord d'un élève */
.teach tr.link{cursor:pointer}
.teach .who.big{align-items:flex-start;gap:14px}
.teach .who.big .avatar{width:44px;height:44px;font-size:16px;margin-top:2px}
.teach .who.big .vsub{margin-bottom:8px}
.teach .who.big b{display:inline}
.teach .mini b small{font-size:14px;font-weight:500;color:var(--ink-3)}
.teach .sd-status{display:flex;align-items:center;gap:6px 10px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line-2);border-radius:var(--radius);padding:12px 16px;font-size:14px;color:var(--ink-2);margin-top:-8px}
.teach .note + .sd-status{margin-top:16px}
.teach .sd-status b{color:var(--ink)}
.teach .sd-status .act{margin:0}
.teach .sd-status.ok .act{background:var(--ok)}
.teach .sd-status.warn .act{background:var(--warn)}
.teach .sd-status.bad .act{background:var(--danger)}
.teach .sd-status.bad{border-color:color-mix(in srgb,var(--danger) 35%,var(--line-2))}
.teach .sd-grades{display:flex;height:12px;border-radius:99px;overflow:hidden;gap:2px;background:var(--surface-2)}
.teach .sd-leg{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--ink-2);margin-top:10px}
.teach .sd-leg i,.teach .sd-key{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.teach .sd-leg b{color:var(--ink);font-variant-numeric:tabular-nums}
.teach .sd-bar{display:flex;width:140px;height:7px;border-radius:99px;overflow:hidden;background:var(--surface-2);margin-bottom:3px}
.teach .sd-bar .m,.teach .sd-key.m{background:var(--ok)}
.teach .sd-bar .s,.teach .sd-key.s{background:color-mix(in srgb,var(--ok) 35%,var(--surface-2))}
.teach .sd-key.s{margin-left:12px}
.teach .warn-t{color:var(--warn);font-weight:600}
.teach td.sd-card{white-space:normal;min-width:180px;overflow-wrap:anywhere}
@media (max-width:860px){ .teach .sd-bar{width:80px} }
/* Tableau de bord élève : cartes à revoir avec l'enseignant */
.teach .sd-ask-h{display:flex;align-items:center;justify-content:space-between;gap:12px}
.teach .sd-ask-h .btn{text-transform:none;letter-spacing:0}
.teach .sd-g{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:99px;white-space:nowrap}
/* « À revoir » de l'apprenant : sélection de plusieurs cartes */
.teach td.ask-sel{width:22px;padding-right:0}
.teach td.ask-sel .selbox{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--ink-3);background:var(--surface);opacity:0;transition:opacity .12s}
.teach tr:hover .ask-sel .selbox,.teach .panel.selecting .ask-sel .selbox{opacity:1}
@media (hover:none){.teach td.ask-sel .selbox{opacity:1}}
.teach tr.on{background:color-mix(in srgb,var(--accent) 8%,transparent)}
.teach tr.on .ask-sel .selbox{background:var(--accent);border-color:var(--accent)}
.teach tr.on .ask-sel .selbox::after{content:"";width:5px;height:10px;border:solid var(--accent-ink);border-width:0 2px 2px 0;transform:translateY(-1px) rotate(45deg)}
.teach .ask-cm{margin:0 0 12px;padding:10px 14px;border-left:3px solid var(--accent, var(--ink-3));background:var(--line-2);border-radius:8px}
.teach .ask-cm p{margin:2px 0 0;white-space:pre-wrap;font-style:italic;color:var(--ink)}
.teach .hidsel{max-width:46%;padding:9px 10px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:14px}
@media (max-width:600px){.teach .toolbar{flex-wrap:wrap}.teach .hidsel{max-width:none;width:100%}}
.teach .due-list{max-height:60vh;overflow:auto}
/* IA (PLAN-IA.md) : panneau « Formule (IA) » du dialogue de carte, brouillon d'un paquet généré */
.teach .aiform{display:flex;flex-direction:column;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}
.teach .aiform .row{margin:0;gap:8px;flex-wrap:wrap}
.teach .fxpv{margin-top:6px;padding:8px 10px;border-radius:8px;background:var(--surface);border:1px dashed var(--line);overflow-x:auto;font-weight:400;color:var(--ink);line-height:1.5}
.teach .aipv{padding:10px;border-radius:8px;background:var(--surface);overflow-x:auto;min-height:24px}
.teach .ailatex{display:block;font-size:12.5px;color:var(--ink-3);word-break:break-all}
.teach .ailist{display:flex;flex-direction:column;gap:10px;max-height:60vh;overflow:auto;padding-right:2px}
.teach .aicard{display:flex;flex-direction:column;gap:6px;padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--radius);background:var(--surface)}
.teach .aicard.ok{border-color:var(--accent)}
.teach .aicard .q{font-weight:600;white-space:pre-wrap}
.teach .aicard .a{color:var(--ink-2);white-space:pre-wrap}
.teach .aicard .row{flex-wrap:wrap;gap:6px}
.teach .aitop{display:flex;gap:6px;flex-wrap:wrap}
.teach .pill.warn{background:var(--forgot-soft);color:var(--forgot)}
.teach .aihole{color:var(--accent);background:var(--accent-soft);border-radius:4px;padding:0 3px}
.teach .aiwait{width:28px;height:28px;margin:18px auto;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:aispin .9s linear infinite}
@keyframes aispin{to{transform:rotate(360deg)}}
/* Page de modification : arborescence des sous-paquets (filtre des cartes) */
.teach .dchips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.teach .dchip{display:inline-flex;align-items:center;gap:7px;max-width:100%;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:99px;padding:5px 12px;font-size:13.5px;font-weight:500;cursor:pointer}
.teach .dchip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.teach .dchip b{font-weight:600;color:var(--ink-3);font-variant-numeric:tabular-nums}
.teach .dchip:hover{background:var(--hover)}
.teach .dchip.on{background:var(--ink);border-color:var(--ink);color:var(--bg)} .teach .dchip.on b{color:inherit;opacity:.7}

/* « Renommer ou ranger » un sous-paquet : arbre des destinations (« Paquets », puis paquets et sous-paquets) */
.teach .flbl{font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.teach .dests{display:flex;flex-direction:column;gap:1px;max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:4px}
.teach .dnode{display:flex;align-items:center;gap:8px;width:100%;border:0;border-radius:7px;background:none;color:var(--ink);font-size:14px;text-align:left;padding:6px 10px 6px calc(10px + var(--lv) * 18px);cursor:pointer}
.teach .dnode span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.teach .dnode small{color:var(--ink-3);font-size:12px}
.teach .dnode:hover{background:var(--hover)}
.teach .dnode.on{background:var(--ink);color:var(--bg)} .teach .dnode.on small{color:inherit;opacity:.7}
/* Barre latérale : glisser-déposer dans l'arbre des paquets */
#teachNav .dragging{opacity:.5}
#teachNav .nest-over{outline:2px dashed var(--accent);outline-offset:-2px;background:var(--accent-soft)}
.teach .aimicw{position:relative;display:block}
.teach .aimicw textarea{width:100%;padding-right:46px}
.teach .aimic{position:absolute;right:6px;bottom:8px;width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink-2);cursor:pointer;padding:0}
.teach .aimic svg{width:18px;height:18px}
.teach .aimic:hover{color:var(--accent);border-color:var(--accent)}
.teach .aimic.on{color:#fff;background:var(--again);border-color:var(--again);animation:aimic 1.2s ease-in-out infinite}
@keyframes aimic{50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--again) 25%,transparent)}}
/* Versions Pro et Enseignant mises en avant (« Créer un paquet ») ; « Par l'IA » verrouillé en version gratuite */
.teach .promo{border:1px solid var(--accent);border-radius:var(--radius);padding:12px 14px;margin:4px 0 14px;background:var(--surface)}
.teach .promo ul{margin:6px 0 10px;padding-left:20px;color:var(--ink-2)}
.teach .seg button.locked,.teach .btn.locked{opacity:.7;display:inline-flex;align-items:center;gap:6px}